<template>
	<el-form size="small">
		<el-form-item>
			<el-radio v-model="radioValue" :label="1">
				日，允许的通配符[, - * ? / L W]
			</el-radio>
		</el-form-item>

		<el-form-item>
			<el-radio v-model="radioValue" :label="2">
				不指定
			</el-radio>
		</el-form-item>

		<el-form-item>
			<el-radio v-model="radioValue" :label="3">
				周期从
				<el-input-number v-model="cycle01" :min="1" :max="30" /> -
				<el-input-number v-model="cycle02" :min="cycle01 ? cycle01 + 1 : 2" :max="31" /> 日
			</el-radio>
		</el-form-item>

		<el-form-item>
			<el-radio v-model="radioValue" :label="4">
				从
				<el-input-number v-model="average01" :min="1" :max="30" /> 号开始，每
				<el-input-number v-model="average02" :min="1" :max="31 - average01 || 1" /> 日执行一次
			</el-radio>
		</el-form-item>

		<el-form-item>
			<el-radio v-model="radioValue" :label="5">
				每月
				<el-input-number v-model="workday" :min="1" :max="31" /> 号最近的那个工作日
			</el-radio>
		</el-form-item>

		<el-form-item>
			<el-radio v-model="radioValue" :label="6">
				本月最后一天
			</el-radio>
		</el-form-item>

		<el-form-item>
			<el-radio v-model="radioValue" :label="7">
				指定
				<el-select v-model="checkboxList" clearable placeholder="可多选" multiple style="width:100%">
					<el-option v-for="item in 31" :key="item" :value="item">{{ item }}</el-option>
				</el-select>
			</el-radio>
		</el-form-item>
	</el-form>
</template>

<script>
    export default {
        data() {
            return {
                radioValue: 1,
                workday: 1,
                cycle01: 1,
                cycle02: 2,
                average01: 1,
                average02: 1,
                checkboxList: [],
                checkNum: this.$options.propsData.check
            };
        },
        name: 'CrontabDay',
        props: {
            check: {
                type: String,
                default: ''
            },
            cron: {
                type: String,
                default: ''
            }
        }, // ['check', 'cron'],
        methods: {
            // 单选按钮值变化时
            radioChange() {
                ('day rachange');
                if (this.radioValue !== 2 && this.cron.week !== '?') {
                    this.$emit('update', 'week', '?', 'day');
                }

                switch (this.radioValue) {
                case 1:
                    this.$emit('update', 'day', '*');
                    break;
                case 2:
                    this.$emit('update', 'day', '?');
                    break;
                case 3:
                    this.$emit('update', 'day', this.cycleTotal);
                    break;
                case 4:
                    this.$emit('update', 'day', this.averageTotal);
                    break;
                case 5:
                    this.$emit('update', 'day', this.workday + 'W');
                    break;
                case 6:
                    this.$emit('update', 'day', 'L');
                    break;
                case 7:
                    this.$emit('update', 'day', this.checkboxString);
                    break;
                }
                ('day rachange end');
            },
            // 周期两个值变化时
            cycleChange() {
                if (this.radioValue === 3) {
                    this.$emit('update', 'day', this.cycleTotal);
                }
            },
            // 平均两个值变化时
            averageChange() {
                if (this.radioValue === 4) {
                    this.$emit('update', 'day', this.averageTotal);
                }
            },
            // 最近工作日值变化时
            workdayChange() {
                if (this.radioValue === 5) {
                    this.$emit('update', 'day', this.workdayCheck + 'W');
                }
            },
            // checkbox值变化时
            checkboxChange() {
                if (this.radioValue === 7) {
                    this.$emit('update', 'day', this.checkboxString);
                }
            }
        },
        watch: {
            'radioValue': 'radioChange',
            'cycleTotal': 'cycleChange',
            'averageTotal': 'averageChange',
            'workdayCheck': 'workdayChange',
            'checkboxString': 'checkboxChange'
        },
        computed: {
            // 计算两个周期值
            cycleTotal: function() {
                const cycle01 = this.checkNum(this.cycle01, 1, 30);
                const cycle02 = this.checkNum(this.cycle02, cycle01 ? cycle01 + 1 : 2, 31, 31);
                return cycle01 + '-' + cycle02;
            },
            // 计算平均用到的值
            averageTotal: function() {
                const average01 = this.checkNum(this.average01, 1, 30);
                const average02 = this.checkNum(this.average02, 1, 31 - average01 || 0);
                return average01 + '/' + average02;
            },
            // 计算工作日格式
            workdayCheck: function() {
                return this.checkNum(this.workday, 1, 31);
            },
            // 计算勾选的checkbox值合集
            checkboxString: function() {
                const str = this.checkboxList.join();
                return str === '' ? '*' : str;
            }
        }
    };
</script>
